4 transmog appearances and 1 mount, pet or toy drop in Zul'Gurub.
Claw-Fringe MantleCloth Shoulder
Leggings of the PrideLeather Legs
Roaring Mask of BethekkPlate Head
Sash of AnguishCloth WaistSign in with Battle.net to see which of these appearances and collectibles you already have, and which of your characters can still loot High Priestess Kilnara this reset.